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Google Drive, Gmail, Google Docs, Google Sheets, and Google Calendar connect through GC AI’s Google apps. Each person connects their own Google account, and GC AI acts with that person’s existing Google access. Most organizations need no setup. Some Google security settings block third-party apps until a Google Workspace admin allows them. When that happens, Google shows the error in its own sign-in window and does not send it back to GC AI. GC AI cannot see the reason or work around it, so an admin needs to allow GC AI in the Google Admin console.

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When you need this

Ask your Google Workspace admin to allow GC AI if Google shows one of these errors when you connect or reconnect: A working connection can also stop when an account joins Advanced Protection. Google ends GC AI’s access, and Contract Intelligence sources from that Google Drive stop syncing. Reconnecting shows the same error until your admin trusts GC AI.

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Trust GC AI (Google Workspace admins)

You need a Google Workspace admin account with the Service Settings privilege.
1

Open API controls

Sign in to the Google Admin console and go to Security → Access and data control → API controls. Select Manage Third-Party App Access (some consoles label it Manage App Access).
2

Find GC AI

Under Configured apps, select Add app → OAuth App Name or Client ID (or Configure new app). Search for the client ID from the table below, then select the GC AI app and its client ID.
3

Choose who it applies to

If Google asks for a scope, pick the organizational units or groups that include the people who were blocked. Trusting GC AI for a different unit leaves them blocked.
4

Trust the app

Choose Trusted, then confirm with Configure (or Continue, then Finish). Repeat for the other client ID if your team uses both.
If your Admin console looks different, follow Google’s guide to control which apps access Google Workspace data and trust the client IDs below. Trusted lets GC AI ask for access to Google Drive, Gmail, Google Docs, Google Sheets, and Google Calendar. It does not grant access on its own. Each person still signs in and approves GC AI for their own account, and GC AI reaches only what that person can already open.

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Connect again

After your admin trusts GC AI, connect your Google account again:
  • Contract Intelligence: open the Vault and go to Document Sources. Select Reconnect on the Google Drive source, or Add source if Google blocked your first connection. Syncing resumes once the source reconnects.
  • Agent Connectors: open Settings → Integrations → Agent Connectors and select Connect on the Google app, or Reconnect if it is already listed as connected.
  • Document Storage: open Settings → Integrations → Document Storage and select Connect on Google Drive, or Reconnect on the account that stopped working.

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Personal Google accounts

A personal Google account in Advanced Protection has no admin, and Google offers no way to allow a single app for it. To bring those documents into Contract Intelligence, upload them to the Vault directly.
Last modified on October 7, 2026